Snap for 4900918 from c5371788edf2e8d8cea7365475ce89ed786c6320 to pi-dr1-releaseandroid-9.0.0_r12android-9.0.0_r11pie-dr1-release

Change-Id: Id966a9844151e77749e53d46adff811735f205b4

1 files changed, 4 insertions, 3 deletions

diff --git a/xf86drmMode.c b/xf86drmMode.c
index e1c99742..2876b422 100644
--- a/xf86drmMode.c
+++ b/xf86drmMode.c
@@ -1507,7 +1507,7 @@ drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr old)
 			return NULL;
 		}
 		memcpy(new->items, old->items,
-		       old->size_items * sizeof(*new->items));
+		       old->cursor * sizeof(*new->items));
 	} else {
 		new->items = NULL;
 	}
@@ -1566,12 +1566,13 @@ int drmModeAtomicAddProperty(drmModeAtomicReqPtr req,
 		return -EINVAL;
 
 	if (req->cursor >= req->size_items) {
+		const uint32_t item_size_inc = getpagesize() / sizeof(*req->items);
 		drmModeAtomicReqItemPtr new;
 
-		req->size_items += 16;
+		req->size_items += item_size_inc;
 		new = realloc(req->items, req->size_items * sizeof(*req->items));
 		if (!new) {
-			req->size_items -= 16;
+			req->size_items -= item_size_inc;
 			return -ENOMEM;
 		}
 		req->items = new;